Books

Screenwriting Tricks of the Trade Screenwriting Tricks of the Trade
1992
Zen and the Art of Screenwriting Zen and the Art of Screenwriting
2000
Zen and the Art of Screenwriting Zen and the Art of Screenwriting
1996

Audiobooks

Writing the Great American Screenplay Writing the Great American Screenplay
1990
Jeff Regan, Investigator: Stand By For Mystery Jeff Regan, Investigator: Stand By For Mystery
2015